Colour

#133C74

#133C74
Blue
Dark
Nearest: Dark slateblue

#133C74 is a blue with RGB values 19, 60, 116 and HSL 215°, 72%, 26%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#133C74#133C74

HEX#133C74

RGBrgb(19, 60, 116)

RGB (0–1)0.0745, 0.2353, 0.4549

RGB percentages7.5%, 23.5%, 45.5%

HSLhsl(214.6, 71.9%, 26.5%)

HSV / HSBhsv(214.6, 83.6%, 45.5%)

CMYK83.6%, 48.3%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,260,660

CSS custom property--colour: #133C74;

Brightness & contrast

Relative luminance0.04631WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.9:1

Contrast with white10.9:1WCAG normal text: AAA

Contrast with black1.93:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#ECC38B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E4176no red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#053973no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004952no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.9:1WCAG large text: AAA

Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.5 Midnight blue · ΔE 28.7 Steel blue · ΔE 29.8 Rebecca purple · ΔE 37 Dark slate grey · ΔE 38.5 Cornflower blue · ΔE 38.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.46, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#744B13

Analogous#136D74, #1A1374

Triadic#74133C, #3C7413

Split complementary#741A13, #6D7413

Tetradic#74136D, #744B13, #13741A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#6CA0E7

Lighter +30%#4084E0

Lighter +20%#2169CC

Lighter +10%#1A53A0

Darker −10%#0C2548

Darker −20%#050F1C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#023985

Less saturated −25%#243F63

Channel breakdown

R19

G60

B116

Red19 (7.5%)

Green60 (23.5%)

Blue116 (45.5%)

Hue214.64°

Saturation (HSL)71.85%

Lightness26.47%

Dominant channelBlue

Hex per channelR 13 · G 3C · B 74

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#133C74

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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